Abstract

The ductility of high strength concrete containing nano-TiO 2 were experimentally studied and compared with that of plain concrete and concrete containing silica fume by stress-strain relationship. The results showed that the ductility of high strength concrete containing nano-TiO 2 were better than that of plain concrete and concrete containing silica fume, which demonstrated that it is an available and effective way to improve ductility of high strength concrete by means of mixing nanophase materials into concrete. The origin of nano-particles improving ductility of high strengthen concrete was also preliminary interpreted.

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